121111101101022 has 32 divisors (see below), whose sum is σ = 247616139365280. Its totient is φ = 39479028481920.

The previous prime is 121111101100949. The next prime is 121111101101051. The reversal of 121111101101022 is 220101101111121.

It is a junction number, because it is equal to n+sod(n) for n = 121111101100992 and 121111101101010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 956308497 + ... + 956435132.

It is an arithmetic number, because the mean of its divisors is an integer number (7738004355165).

Almost surely, 2^{121111101101022} is an apocalyptic number.

121111101101022 is an abundant number, since it is smaller than the sum of its proper divisors (126505038264258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121111101101022 is a wasteful number, since it uses less digits than its factorization.

121111101101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912743868.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 121111101101022 its reverse (220101101111121), we get a palindrome (341212202212143).

The spelling of 121111101101022 in words is "one hundred twenty-one trillion, one hundred eleven billion, one hundred one million, one hundred one thousand, twenty-two".